Insisting rhymes with:
consisting, assisting, consisting, persisting, assisting, coexisting, consisting, delisting, enlisting, existing, listing, persisting, preexisting, resisting, thristing, twisting
Insisting sounds like:
immunizations, incidence, incidences, inciting, ingesting, injecting, injections, insistence, instance, instances, instituting, institution's, institutions, institutions'